Frame for in-line skates



FIG. 1 is a perspective view of the design;

FIG. 2 is a right-side view of the design;

FIG. 3 is a left-side view of the design;

FIG. 4 is a rear-side view of the design;

FIG. 5 is a front-side view of the design;

FIG. 6 is a bottom-side view of the design; and,

FIG. 7 is a top-side view of the design. 

The ornamental design for a frame for in-line skates, as shown and described. 